Decorator for determing whether the request is Ajax, in Django-views.

ajax_required_decorator.py

def ajax_required(ret_unexcepted):
    """
    Decorator for determing whether the request is Ajax, in Django-views.

    e.g.) in views.py
    from django.http import HttpResponseBadRequest
    from utils.decorators import ajax_required
    
    @ajax_requirxed(HttpResponseBadRequest())
    def index(request):
        pass
    """
    def _ajax_required(func):
        def wrapper(request, *args, **kwargs):
            if not request.is_ajax():
                return ret_unexcepted
            return func(request, *args, **kwargs)
        return wrapper
    return _ajax_required

views.py

from django.http import HttpResponseBadRequest
from ajax_required_decorator import ajax_required

@ajax_required(HttpResponseBadRequest())
def index(request):
    # any code